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good day and welcome to space station

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live and the christopher c craft junior

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mission control center in houston texas

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on board of course the international

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space station's expedition 36 crew is

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made up of nasa's chris cassidy a flight

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engineer for expedition 36

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russia's pavel vinogradov the commander

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of the expedition and russia's alexander

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misurkin another flight engineer the

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trio of uh astronauts and cosmonauts are

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going through a variety of different

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experiment work and space station

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maintenance activities today as they

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continue as a three-person crew awaiting

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the arrival of three more crew members

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the day after memorial day today chris

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cassidy is working with the capillary

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flow experiment

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that's a suite of fluid physics

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experiments that look at how they flow

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in the microgravity environment using

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containers and complex geometries

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according to mark weislogel the

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principal investigator for this uh the

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experiment being worked on today was

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involved with the vein gap experiment

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and that is involving chris cassidy

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helping to map measurements by trapping

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the advancing and receding fluids in

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different gaps formed

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by what they call the cassidy method

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using the approach cassidy quickly

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identified the advancing and receding

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limits of these fluids

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and we wrote them down on the ground to

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monitor that and understand better how

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those fluids flow in orbit

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overall the experiment is designed to

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help improve current computer models

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that are used by designers of low

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gravity fluid systems and may improve

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fluid transfer systems for future

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spacecraft chris cassidy also today is

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going to be replacing one of the hard

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drives on the space station support

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laptop computers and performing some

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routine checkouts of the crew medical

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restraint system

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which would be used to hold down a crew

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member if they were to have a health

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problem or an injury and needed

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treatment in the microgravity

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environment meanwhile his russian

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colleagues pavel vinogradov and

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alexander misurkin are working on

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installing a new treadmill in the zvezda

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service module

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since the first

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early days of the space station the crew

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has used the treadmill vibration

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isolation system a u.s designed and

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built for specifically for space flight

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treadmill that is recessed in the floor

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of the zvezda service module

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that has gotten a little bit old and the

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russian crew members today are working

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on replacing it with a brand new russian

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manufactured treadmill

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that should help improve the exercise

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capabilities aboard the space station

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chris cassidy just completed an event in

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which he talked with students

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from the

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florida institute of technology as well

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as a professor associate professor heidi

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hatfield edwards who is at the florida

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institute of technology with students

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there who are working on a joint project

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with a florida today newspaper

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to look at long duration space flight

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effects on crew members

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later today cassie is going to have a

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ham radio or amateur radio pass with

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anacapa school in santa barbara

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california

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just recently the

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spartan flight controller tony vareja

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reported to flight director jed freiling

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that the

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power channel that was affected by last

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week's

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ammonia leak of a coolant pump on the 2b

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portion of the space station solar array

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grouping has been restored to full

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functionality that means that the 2b

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power channel is now back in

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the mix and providing a full eight solar

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arrays of power to the international

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space station systems the chris cassidy

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along with

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recently uh

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departed tom marshburn conducted a five

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and a half hour spacewalk just two days

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after the ammonia leak was noticed in

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that area on the port side of the space

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station's truss structure and

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successfully replaced a pump control

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module

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and so far the flight controllers that

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are monitoring that systems are seeing

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no signs of any leaks they have seen

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that the

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replaced pump module the old pump module

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has completely leaked out its ammonia

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supply and is no longer leaking anymore

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that ammonia they have seen no new leaks

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reported from the

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the new pump module which is working

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well and allowing that

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to be channeled to be put back into the

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power systems of the space station it's

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going to take a month and a half or so

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before they can validate that all leaks

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have been

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very small pesky leak that they want to

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make sure and it's going to take some

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trending data to determine whether

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that's fixed

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during crew sleep tonight mission

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control is going to be performing a

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checkout of the backup control center in

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huntsville alabama that control center

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associated with the payload operations

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integration center is the second tier of

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backup locations where mission control

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houston would relocate in the event of a

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hurricane or another disaster here in

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houston on the which is on the gulf

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coast

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and meanwhile at the baikonur cosmodrome

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in kazakhstan nasa's karen nyberg the

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european space agency's luca parmitano

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and russian soyuz commander fyodor

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yuchikan are making final preparations

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for their launch to the international

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space station on mark on may 28

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when they will join the trio that's on